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248
...t/java/com/ververica/cdc/connectors/oracle/source/read/fetch/OracleScanFetchTaskTest.java
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| /* | ||
| * Copyright 2022 Ververica Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.ververica.cdc.connectors.oracle.source.read.fetch; | ||
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|
||
| import com.ververica.cdc.connectors.oracle.source.OracleDialect; | ||
| import com.ververica.cdc.connectors.oracle.source.OracleSourceTestBase; | ||
| import com.ververica.cdc.connectors.oracle.source.config.OracleSourceConfig; | ||
| import com.ververica.cdc.connectors.oracle.source.config.OracleSourceConfigFactory; | ||
| import com.ververica.cdc.connectors.oracle.source.reader.fetch.OracleScanFetchTask; | ||
| import com.ververica.cdc.connectors.oracle.source.reader.fetch.OracleSourceFetchTaskContext; | ||
| import com.ververica.cdc.connectors.oracle.utils.OracleTestUtils; | ||
| import com.ververica.cdc.connectors.oracle.utils.RecordsFormatter; | ||
| import io.debezium.connector.oracle.OracleConnection; | ||
| import org.apache.flink.table.api.DataTypes; | ||
| import org.apache.flink.table.types.DataType; | ||
|
|
||
| import com.ververica.cdc.connectors.base.config.JdbcSourceConfig; | ||
| import com.ververica.cdc.connectors.base.dialect.JdbcDataSourceDialect; | ||
| import com.ververica.cdc.connectors.base.source.assigner.splitter.ChunkSplitter; | ||
| import com.ververica.cdc.connectors.base.source.meta.split.SnapshotSplit; | ||
| import com.ververica.cdc.connectors.base.source.meta.split.SourceRecords; | ||
| import com.ververica.cdc.connectors.base.source.reader.external.IncrementalSourceScanFetcher; | ||
| import io.debezium.data.Envelope; | ||
| import io.debezium.jdbc.JdbcConnection; | ||
| import io.debezium.pipeline.EventDispatcher; | ||
| import io.debezium.pipeline.spi.OffsetContext; | ||
| import io.debezium.relational.TableId; | ||
| import io.debezium.schema.DataCollectionSchema; | ||
| import org.apache.kafka.connect.data.Struct; | ||
| import org.apache.kafka.connect.header.ConnectHeaders; | ||
| import org.apache.kafka.connect.source.SourceRecord; | ||
| import org.junit.Test; | ||
|
|
||
| import java.sql.SQLException; | ||
| import java.util.ArrayList; | ||
| import java.util.Arrays; | ||
| import java.util.Collection; | ||
| import java.util.Iterator; | ||
| import java.util.List; | ||
| import java.util.Properties; | ||
| import java.util.function.Supplier; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| import static com.ververica.cdc.connectors.oracle.source.utils.OracleConnectionUtils.createOracleConnection; | ||
| import static org.junit.Assert.assertNotNull; | ||
| import static org.junit.Assert.assertTrue; | ||
|
|
||
| /** Tests for {@link OracleScanFetchTask}. */ | ||
| public class OracleScanFetchTaskTest extends OracleSourceTestBase { | ||
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| @Test | ||
| public void testChangingDataInSnapshotScan() throws Exception { | ||
| OracleTestUtils.createAndInitialize( | ||
| OracleTestUtils.ORACLE_CONTAINER, "customer.sql"); | ||
|
|
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| String tableName = ORACLE_SCHEMA + ".customers"; | ||
|
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| OracleSourceConfigFactory sourceConfigFactory = | ||
| getConfigFactory( new String[] {tableName}, 10); | ||
| OracleSourceConfig sourceConfig = sourceConfigFactory.create(0); | ||
| OracleDialect oracleDialect = new OracleDialect(sourceConfigFactory); | ||
|
|
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| String tableId = ORACLE_DATABASE + "." + tableName; | ||
| String[] changingDataSql = | ||
| new String[] { | ||
| "UPDATE " + tableId + " SET address = 'Hangzhou' where id = 103", | ||
| "DELETE FROM " + tableId + " where id = 102", | ||
| "INSERT INTO " + tableId + " VALUES(102, 'user_2','Shanghai','123567891234')", | ||
| "UPDATE " + tableId + " SET address = 'Shanghai' where id = 103", | ||
| "UPDATE " + tableId + " SET address = 'Hangzhou' where id = 110", | ||
| "UPDATE " + tableId + " SET address = 'Hangzhou' where id = 111", | ||
| }; | ||
|
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||
| MakeChangeEventTaskContext makeChangeEventTaskContext = | ||
| new MakeChangeEventTaskContext( | ||
| sourceConfig, | ||
| oracleDialect, | ||
| createOracleConnection( | ||
| sourceConfig.getDbzConnectorConfig().getJdbcConfig()), | ||
| () -> executeSql(sourceConfig, changingDataSql)); | ||
|
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||
| final DataType dataType = | ||
| DataTypes.ROW( | ||
| DataTypes.FIELD("id", DataTypes.BIGINT()), | ||
| DataTypes.FIELD("name", DataTypes.STRING()), | ||
| DataTypes.FIELD("address", DataTypes.STRING()), | ||
| DataTypes.FIELD("phone_number", DataTypes.STRING())); | ||
| List<SnapshotSplit> snapshotSplits = getSnapshotSplits(sourceConfig, oracleDialect); | ||
|
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||
| String[] expected = | ||
| new String[] { | ||
| "+I[101, user_1, Shanghai, 123567891234]", | ||
| "+I[102, user_2, Shanghai, 123567891234]", | ||
| "+I[103, user_3, Shanghai, 123567891234]", | ||
| "+I[109, user_4, Shanghai, 123567891234]", | ||
| "+I[110, user_5, Hangzhou, 123567891234]", | ||
| "+I[111, user_6, Hangzhou, 123567891234]", | ||
| "+I[118, user_7, Shanghai, 123567891234]", | ||
| "+I[121, user_8, Shanghai, 123567891234]", | ||
| "+I[123, user_9, Shanghai, 123567891234]", | ||
| }; | ||
|
|
||
| List<String> actual = | ||
| readTableSnapshotSplits(snapshotSplits, makeChangeEventTaskContext, 1, dataType); | ||
| assertEqualsInAnyOrder(Arrays.asList(expected), actual); | ||
| } | ||
|
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| private List<String> readTableSnapshotSplits( | ||
| List<SnapshotSplit> snapshotSplits, | ||
| OracleSourceFetchTaskContext taskContext, | ||
| int scanSplitsNum, | ||
| DataType dataType) | ||
| throws Exception { | ||
| IncrementalSourceScanFetcher sourceScanFetcher = | ||
| new IncrementalSourceScanFetcher(taskContext, 0); | ||
|
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| List<SourceRecord> result = new ArrayList<>(); | ||
| for (int i = 0; i < scanSplitsNum; i++) { | ||
| SnapshotSplit sqlSplit = snapshotSplits.get(i); | ||
| if (sourceScanFetcher.isFinished()) { | ||
| sourceScanFetcher.submitTask( | ||
| taskContext.getDataSourceDialect().createFetchTask(sqlSplit)); | ||
| } | ||
| Iterator<SourceRecords> res; | ||
| while ((res = sourceScanFetcher.pollSplitRecords()) != null) { | ||
| while (res.hasNext()) { | ||
| SourceRecords sourceRecords = res.next(); | ||
| result.addAll(sourceRecords.getSourceRecordList()); | ||
| } | ||
| } | ||
| } | ||
|
|
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| sourceScanFetcher.close(); | ||
|
|
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| assertNotNull(sourceScanFetcher.getExecutorService()); | ||
| assertTrue(sourceScanFetcher.getExecutorService().isTerminated()); | ||
|
|
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| return formatResult(result, dataType); | ||
| } | ||
|
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| private List<String> formatResult(List<SourceRecord> records, DataType dataType) { | ||
| final RecordsFormatter formatter = new RecordsFormatter(dataType); | ||
| return formatter.format(records); | ||
| } | ||
|
|
||
| private List<SnapshotSplit> getSnapshotSplits( | ||
| OracleSourceConfig sourceConfig, JdbcDataSourceDialect sourceDialect) { | ||
| String databaseName = sourceConfig.getDatabaseList().get(0); | ||
| List<TableId> tableIdList = | ||
| sourceConfig.getTableList().stream() | ||
| .map(tableId -> TableId.parse(databaseName + "." + tableId)) | ||
| .collect(Collectors.toList()); | ||
| final ChunkSplitter chunkSplitter = sourceDialect.createChunkSplitter(sourceConfig); | ||
|
|
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| List<SnapshotSplit> snapshotSplitList = new ArrayList<>(); | ||
| for (TableId table : tableIdList) { | ||
| Collection<SnapshotSplit> snapshotSplits = chunkSplitter.generateSplits(table); | ||
| snapshotSplitList.addAll(snapshotSplits); | ||
| } | ||
| return snapshotSplitList; | ||
| } | ||
|
|
||
| public static OracleSourceConfigFactory getConfigFactory(String[] captureTables, int splitSize) { | ||
| Properties debeziumProperties = new Properties(); | ||
| debeziumProperties.setProperty("log.mining.strategy", "online_catalog"); | ||
| debeziumProperties.setProperty("log.mining.continuous.mine", "true"); | ||
|
|
||
| return (OracleSourceConfigFactory) | ||
| new OracleSourceConfigFactory() | ||
| .hostname(ORACLE_CONTAINER.getHost()) | ||
| .port(ORACLE_CONTAINER.getOraclePort()) | ||
| .username(ORACLE_CONTAINER.getUsername()) | ||
| .password(ORACLE_CONTAINER.getPassword()) | ||
| .databaseList(ORACLE_DATABASE) | ||
| .tableList(captureTables) | ||
| .debeziumProperties(debeziumProperties) | ||
| .splitSize(splitSize); | ||
| } | ||
|
|
||
| private boolean executeSql(OracleSourceConfig sourceConfig, String[] sqlStatements) { | ||
| JdbcConnection connection = | ||
| createOracleConnection(sourceConfig.getDbzConnectorConfig().getJdbcConfig()); | ||
| try { | ||
| connection.setAutoCommit(false); | ||
| connection.execute(sqlStatements); | ||
| connection.commit(); | ||
| } catch (SQLException e) { | ||
| LOG.error("Failed to execute sql statements.", e); | ||
| return false; | ||
| } | ||
| return true; | ||
| } | ||
|
|
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| class MakeChangeEventTaskContext extends OracleSourceFetchTaskContext { | ||
|
|
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| private Supplier<Boolean> makeChangeEventFunction; | ||
|
|
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| public MakeChangeEventTaskContext( | ||
| JdbcSourceConfig jdbcSourceConfig, | ||
| OracleDialect oracleDialect, | ||
| OracleConnection connection, | ||
| Supplier<Boolean> makeChangeEventFunction) { | ||
| super(jdbcSourceConfig, oracleDialect, connection); | ||
| this.makeChangeEventFunction = makeChangeEventFunction; | ||
| } | ||
|
|
||
| @Override | ||
| public EventDispatcher.SnapshotReceiver getSnapshotReceiver() { | ||
| EventDispatcher.SnapshotReceiver snapshotReceiver = super.getSnapshotReceiver(); | ||
| return new EventDispatcher.SnapshotReceiver() { | ||
|
|
||
| @Override | ||
| public void changeRecord( | ||
| DataCollectionSchema schema, | ||
| Envelope.Operation operation, | ||
| Object key, | ||
| Struct value, | ||
| OffsetContext offset, | ||
| ConnectHeaders headers) | ||
| throws InterruptedException { | ||
| snapshotReceiver.changeRecord(schema, operation, key, value, offset, headers); | ||
| } | ||
|
|
||
| @Override | ||
| public void completeSnapshot() throws InterruptedException { | ||
| snapshotReceiver.completeSnapshot(); | ||
| // make change events | ||
| makeChangeEventFunction.get(); | ||
| Thread.sleep(10 * 1000); | ||
| } | ||
| }; | ||
| } | ||
| } | ||
| } |
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